<script setup>
import PageContainer from '@/components/PageContainer.vue'
import { formatTime } from '@/utils/format'
import { ref } from 'vue'

defineOptions({
  name: 'ArticleChannel'
})

import { Delete, Edit } from '@element-plus/icons-vue'
import ChannelSelect from '@/components/ChannelSelect.vue'
import { artDelService, artGetListService } from '@/api/article.js'
import ArticleEdit from '@/components/ArticleEdit.vue'

const articleList = ref([])
const total = ref(0)
const params = ref({
  pagenum: 1,
  pagesize: 10,
  cate_id: '',
  state: ''
})

const loading = ref(false)
const getArticleList = async () => {
  loading.value = true
  const res = await artGetListService(params.value)
  articleList.value = res.data.data
  total.value = res.data.total
  loading.value = false
}
getArticleList()

const onSizeChange = (size) => {
  params.value.pagenum = 1
  params.value.pagesize = size
  getArticleList()
}

const onCurrentChange = (page) => {
  params.value.pagenum = page
  getArticleList()
}

const onSearch = () => {
  params.value.pagenum = 1
  getArticleList()
}

const onReset = () => {
  params.value.pagenum = 1
  params.value.cate_id = ''
  params.value.state = ''
  getArticleList()
}

const articleEditRef = ref()
const onAddArticle = () => {
  articleEditRef.value.open()
}
const onEditArticle = (row) => {
  articleEditRef.value.open(row)
}
const onDeleteArticle = (row) => {
  ElMessageBox.confirm('确定删除该文章吗？', '温馨提示', {
    confirmButtonText: '确定',
    cancelButtonText: '取消',
    type: 'warning'
  })
    .then(async () => {
      await artDelService(row.id)
      ElMessage({
        type: 'success',
        message: '删除成功'
      })
      await getArticleList()
    })
    .catch(() => {})
}

const onSuccess = (type) => {
  if (type === 'add') {
    //如果是添加，需要跳转渲染最后一页，编辑直接渲染当前页
    const lastPage = Math.ceil((total.value + 1) / params.value.pagesize)
    params.value.pagenum = lastPage
  }
  getArticleList()
}
</script>

<template>
  <page-container title="文章管理">
    <el-form inline>
      <el-form-item label="文章分类：">
        <ChannelSelect :width="'200px'" v-model="params.cate_id" />
      </el-form-item>
      <el-form-item label="发布状态：">
        <el-select v-model="params.state" style="width: 200px">
          <el-option label="已发布" value="已发布"></el-option>
          <el-option label="草稿" value="草稿"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="onSearch">搜索</el-button>
        <el-button @click="onReset()">重置</el-button>
      </el-form-item>
    </el-form>
    <template #extra>
      <el-button type="primary" @click="onAddArticle">发布文章</el-button>
    </template>
    <el-table :data="articleList" style="width: 100%" v-loading="loading">
      <el-table-column label="文章标题" width="400">
        <template #default="{ row }">
          <el-link type="primary" :underline="false">{{ row.title }}</el-link>
        </template>
      </el-table-column>
      <el-table-column label="分类" prop="cate_name"></el-table-column>
      <el-table-column label="发表时间" prop="pub_date">
        <template #default="{ row }">{{ formatTime(row.pub_date) }}</template>
      </el-table-column>
      <el-table-column label="状态" prop="state"></el-table-column>
      <el-table-column label="操作">
        <template #default="{ row }">
          <el-button
            :icon="Edit"
            circle
            plain
            type="primary"
            @click="onEditArticle(row)"
          ></el-button>
          <el-button
            :icon="Delete"
            circle
            plain
            type="primary"
            @click="onDeleteArticle(row)"
          ></el-button>
        </template>
      </el-table-column>
      <template #empty>
        <el-empty description="没有数据"></el-empty>
      </template>
    </el-table>
    <el-pagination
      v-model:current-page="params.pagenum"
      v-model:page-size="params.pagesize"
      :page-sizes="[2, 3, 4, 5, 10]"
      layout="jumper, total, sizes, prev, pager, next"
      background
      :total="total"
      @size-change="onSizeChange"
      @current-change="onCurrentChange"
      style="margin-top: 20px; justify-content: flex-end"
    />
    <article-edit ref="articleEditRef" @success="onSuccess"></article-edit>
  </page-container>
</template>

<style scoped></style>
